<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1>邮件主题</h1>
<h2>点击下边链接激活账号</h2>
<a th:href="@{${activationUrl}}">
    <span th:text="${activationUrl}"></span>
</a>

</body>
</html>